If you have not filed your return, when you go through the File section, there will be a screen asking how you want your refund, enter your banking information there.
If your return has been accepted, you cannot change or enter banking information.
If you banking information is incorrect, closed, or you did not have a refund to enter banking information, see the following:
What if my direct deposit information has changed or I want to add it for the first time?
On March 30, the I.R.S. said on its website that it would build a portal where people can update their information “in the coming weeks.”
